62 Echin . xiv. ecrinoderma. [1904] 
Ileteraster compared with Enallaster ; Loriol (162) p. 48. \H. oblongus ; 
Schardt (244) p. 136. 
Heterocentrotus ; Delage (54) p. 246 : diagnosis ; Meissner in Hamann 
(112) p. 1377 : ditto, incl. Acrocladia ; Fourtau (83) p. 413. II. 
mamillatus ; CouTihRE (48) : de Meijere (67) p. 102 : Martens 
(185) p. 132 : entrance to G. of Suez and fraised beaches, but not at 
Port Said as cited by Gauthier ; Fourtau (83) p. 414. H. trigonarius\ 
de Meijere (57) p. 102. 
\Heterolampas maresi ; Savornin (241) p. 150. 
+ Ileterosalenia discussed ; Delage (54) p. 234. 
Histocidaris (vide etiam sub Cidaris ) ; Delage (54) p. 228 : rejected ; 
Agassiz (3) p. 24. * 
\Holaster ; Delage (54) p. 265, fig. H. carinatus ; Radkevich (222) : 
Wollemann (290). H. faxensis ; Tornebohm (267) p. 143. II. 
laevis ; Strangways (266) p. 80 : Wollemann (290). H. nodulosus ; 
Collet (44) pp. 44, 47, 70. H . placenta ; Burnet (33) : Jahn (134) 
pp. 83, 84, 86, 89 : Rowe (235) p. 248, 294 : distinguished from II. 
planus ; Jukes-Browne (137) p. 458. H. plaims ; Burnet (33): 
Petrasoheok (216) : Rowe (235) p. 241, 243, 293 : distinguished 
from II. laevis ; Jukes-Browne (137) p. 457. H . rotundus ; Strang- 
ways (266) p. 80. H. scanensis ; Tornebohm (267) p. 132. II. sub- 
globosus ; Strangways (266) p. 80: Wollemann (290): Lambert 
quoted ; Collet (44) pp. 70, 74. If. suborbicularis (p. 78), H . 
trecencis ? (p. 80) ; Strangways (266). 
Holasterinae defined with list of genera in Subfamm. Ananchytinae & 
Collyritinae ; Delage (54) p. 265. 
iHolcopneustes gourdoni ; Gourdon (102) p. 220. 
Holectypida defined with Famm. Holectyp & Conoclyp-inae ; Delage 
(54) p. 248. 
Holectypinae defined with list of genera ; Delage (54) p. 248. 
t Eolectypus descr. ; Delage (54) p. 248, fig. II. corallinus ; Lissajous 
(153) p. 172. II. depressus ; Clerc (42) p. 96 : Strangways (266) 
p. 23 : var. ; Lissajous (153) p. 172, pi. ii. H. hemisphaericus ; op. 
cit. p. 171 : incl. H. devauxianus , resemblance to H. depressus in 
young ; Clerc (42) p. 97. II. oblongus ; Strangways (266) p. 40. 
H. planatus ; Udden (273) p. 37. II. scutatus ; Strangways (266) 
p. 40. H. texanus ; Richardson (227) p. 48. 
Holopneustes ; Delage (54) p. 241. H. inflatus, holotype examined ; 
Mortensen (195) p. 107. II. porosissimus ; Hall (111) p. 72: 
measurements ; Mortensen (195) p. 107. H. purpurascens , holotype 
descr. ; op. cit. p. 106, pi. ii, vii. 
Homolampas (v. etiam sub Argopatagus ) ; Delage (54) p. 270 : diagnosis ; 
Meissner in Hamann (112) p. 1401. II. fragilis, H. fulva (p. 175, 
figg.), II. gracilis (p 176), H. hastata descr. (p. 175, pis. lv, lxiii, Ixiv) ; 
Agassiz (3). H. rostrata descr. ; de Meijere (57) p. 196, pl. xxiii. 
Iloplosoma [err. pro Hapalosoma ], rejected ; Agassiz (3) p. 85. 
f Hyboclypus (seu - eus ) : — H. sp. ; Siemiradzki (255) p. 141. II. gibberulus, 
difference between Callovian & Bathonian forms ; H. ovalis : Lissajous 
(153) p. 173. 
Hygrosoma ; Delage (54) p. 223 : rejected ; Agassiz (3) p. 85. H. 
hoplacantha , radioles, pedicellariae, spicules, also young specimens ; 
de Meijere (57) p. 37, pl. xiii. 
t Hypodiadema balsami Stopp., probably Acrosalenia ; Lambert (148) 
p. 540. 
Hypsiechinus descr. ; Delage (54) p. 239, figg. II. coronatus ; Ludwig 
(165). 
t Iheringiana ; Delage (54) p. 255. 
Mnfulaster : — I. excentncus ; Burnet (33) : Fuqger (92) p. 339 : Rowe 
